| Date | IP Address |
| 2024-06-15 | 117.78.24.32 (ClassC) |
| 2025-08-28 | 49.4.56.26 (ClassC) |
| Date | Domain | IP |
| www.ahdc.ceec.net.cn | 2025-07-10 | 49.4.56.23 |
| www.dlxlqc.ceec.net.cn | 2024-09-01 | 117.78.24.34 |
| www.hepdi.ceec.net.cn | 2025-08-28 | 49.4.56.26 |
| mail.ceec.net.cn | 2025-06-25 | 129.226.102.73 |